Skip to content
Katapult Buy now, pay later. No credit required!
Katapult Buy now, pay later. No credit required!

Country

2015-2021 STI

Filters

  • Radium Engineering Top Feed Fuel Rail Upgrade (Factory Top Feed Motors Only) 2002-2014 WRX / 2007-2021 STI

    Radium Engineering
    Original price $209.95
    Original price $209.95 - Original price $209.95
    Original price $209.95
    Current price $199.45
    $199.45 - $199.45
    Current price $199.45
      Lease to own   Pay as low as   $/week

    Machined aluminum fuel rails for use on Subaru EJ engines that use top feed injectors from the factory. Each rail has three 8AN ORB ports. For a se...

    View full details
  • South Bend Stage 3 Daily Clutch Kit 2004-2021 STI

    South Bend Clutch
    Original price $1,182.20
    Original price $1,182.20 - Original price $1,182.20
    Original price $1,182.20
    Current price $1,146.73
    $1,146.73 - $1,146.73
    Current price $1,146.73
      Lease to own   Pay as low as   $/week

    This kit is specifically designed for single mass flywheel (SMF) vehicles, replacing the original dual mass flywheel (DMF) to enhance performance. ...

    View full details
  • Torque Solution Billet Aluminum Transmission Mount 2002-2021 WRX / 2004-2021 STI

    Torque Solution
    Original price $299.99 - Original price $299.99
    Original price
    $299.99
    $299.99 - $299.99
    Current price $299.99
      Lease to own   Pay as low as   $/week

    Torque Solution Billet Transmission Mount for Subaru WRX 2002+ / STI 2002-2021 is made of high grade billet aluminum material, urethane bushings, a...

    View full details
  • Torque Solution Black Billet Thermostat Housing 2002-2014 WRX / 2004-2021 STI

    Torque Solution
    Original price $69.99 - Original price $69.99
    Original price
    $69.99
    $69.99 - $69.99
    Current price $69.99
      Lease to own   Pay as low as   $/week

    Torque Solution Billet Thermostat Housing for Subaru EJ Engines is the perfect complement to add to your engine build to give it that extra persona...

    View full details
  • Torque Solution Gold Top Feed Fuel Rails: 2002-2014 \ WRX / 2007-2021 STI

    Torque Solution
    Original price $209.99 - Original price $209.99
    Original price
    $209.99
    $209.99 - $209.99
    Current price $209.99
      Lease to own   Pay as low as   $/week

    Torque Solution Top Feed Fuel Rails are a must have for high horsepower applications and a perfect complement to your high flow fuel injectors. Our...

    View full details
  • Torque Solution Rear Trailing Arms 2015-2021 Subaru WRX / 2015-2021 STI

    Torque Solution
    Original price $499.99 - Original price $499.99
    Original price
    $499.99
    $499.99 - $499.99
    Current price $499.99
      Lease to own   Pay as low as   $/week

    Torque Solution Adjustable Rear Trailing Arms are a perfect complement to go along with our camber arms and toe links. These add additional stabili...

    View full details
  • MBRP 2.5" Dual Split Rear Exit Axle Back w/ 3.5in Tips 2015-2021 WRX / 2015-2021 STI

    MBRP
    Original price $438.52
    Original price $438.52 - Original price $438.52
    Original price $438.52
    Current price $301.74
    $301.74 - $301.74
    Current price $301.74
      Lease to own   Pay as low as   $/week

    MBRP's Pro Series is the best performance exhaust system that money can buy. It is a series designed and built for the serious enthusiast who will ...

    View full details
  • MBRP Stainless Steel 2.5" Dual Split Rear Exit Axleback w/ 3.5in CF Tips 2015-2021 WRX / 2015-2021 STI

    MBRP
    Original price $574.40
    Original price $574.40 - Original price $574.40
    Original price $574.40
    Current price $395.24
    $395.24 - $395.24
    Current price $395.24
      Lease to own   Pay as low as   $/week

    MBRP's Pro Series is the best performance exhaust system that money can buy. It is a series designed and built for the serious enthusiast who will ...

    View full details
  • Injen Polished SP Aluminum Series Cold Air Intake 2018-2021 STI

    Injen
    Original price $327.70
    Original price $327.70 - Original price $327.70
    Original price $327.70
    Current price $293.21
    $293.21 - $293.21
    Current price $293.21
      Lease to own   Pay as low as   $/week

    Additionally, this SP intake includes a fully serviceable Injen SuperNano-Web dry air filter, which provides increased filter surface area allowing...

    View full details
  • AWE Tuning Track Edition Exhaust w/ Chrome Silver Tips 2011-2014 WRX Sedan / 2011-2021 STI Sedan

    AWE Tuning
    Original price $1,205.26
    Original price $1,205.26 - Original price $1,205.26
    Original price $1,205.26
    Current price $1,145.00
    $1,145.00 - $1,145.00
    Current price $1,145.00
      Lease to own   Pay as low as   $/week

    A direct, bolt-on, 3" straight-through design helps the BOXER-powered WRX/STI maintain its addictive rumble while reducing drone/rasp. AWE's 180 Te...

    View full details
  • AWE Tuning Touring Edition Exhaust w/ Diamond Black Tips 2011-2014 WRX Sedan / 2011-2021 STI Sedan

    AWE Tuning
    Original price $1,626.32
    Original price $1,626.32 - Original price $1,626.32
    Original price $1,626.32
    Current price $1,545.00
    $1,545.00 - $1,545.00
    Current price $1,545.00
      Lease to own   Pay as low as   $/week

    A direct, bolt-on, 3" straight-through design helps the BOXER-powered WRX/STI maintain its addictive rumble while reducing drone/rasp. AWE's 180 Te...

    View full details
  • AMS Performance Subaru 6-Speed Billet Shift Knob (Incl Red, Black, & Gunmetal Cap) 2004-2021 STI / 2015-2023 WRX

    AMS
    Original price $74.95
    Original price $74.95 - Original price $74.95
    Original price $74.95
    Current price $72.70
    $72.70 - $72.70
    Current price $72.70
      Lease to own   Pay as low as   $/week

    Designed for improved performance and style, the AMS Performance Subaru WRX/STI 6-Speed Billet Shift Knob is crafted using high-quality anodized bi...

    View full details
  • BLOX Racing Blue Rear Lower Control Arms 2013-2023 BRZ/FRS/86 / 2008-2021 WRX / 2008-2021 STI

    BLOX Racing
    Original price $395.00
    Original price $395.00 - Original price $395.00
    Original price $395.00
    Current price $316.00
    $316.00 - $316.00
    Current price $316.00
      Lease to own   Pay as low as   $/week

    BLOX Racing Blue Rear Lower Control Arms offer optimum camber adjustment to dropped vehicles, to maintain optimal handling and performance. Made fr...

    View full details
  • aFe Takeda Momentum Pro 5R Cold Air Intake System 2018-2021 STI

    aFe
    Original price $445.57 - Original price $445.57
    Original price
    $445.57
    $445.57 - $445.57
    Current price $445.57
      Lease to own   Pay as low as   $/week

    Large Five Layer Performance Air Filter:Momentum’s innovative filter-to-housing interface was built to feature the largest air filter possible. Thi...

    View full details
  • Aeromotive 2008-2021 WRX / 2008-2021 STI 450lph Drop-In Stealth System

    Aeromotive
    Original price $839.95 - Original price $839.95
    Original price
    $839.95
    $839.95 - $839.95
    Current price $839.95
      Lease to own   Pay as low as   $/week

    Aeromotive Inc. is a true high performance aftermarket manufacturer specializing in fuel delivery and fuel delivery components. Utilizing aerospace...

    View full details
  • Aeromotive Black Top Feed Fuel Rails 2002-14 WRX / 2007-2021 STI

    Aeromotive
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
      Lease to own   Pay as low as   $/week

    Aeromotive's High Flow Billet Fuel Rails provide 3,000 HP of flow and a simple, bolt-on installation. Compatible with 2004-2014 Subaru 2.0L WRX, th...

    View full details
  • Aeromotive Fuel Rails 2002-2014 2.0L WRX / 2007-2021 STI

    Aeromotive
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
      Lease to own   Pay as low as   $/week

    Aeromotive's High Flow Billet Fuel Rails provide 3,000 HP of flow and a simple, bolt-on installation. Compatible with 2004-2014 Subaru 2.0L WRX, th...

    View full details
  • AEM Wrinkle Red Cold Air Intake System 2015-2017 STI

    AEM Induction
    Original price $349.99 - Original price $349.99
    Original price
    $349.99
    $349.99 - $349.99
    Current price $349.99
      Lease to own   Pay as low as   $/week

    The AEM 21-735WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter...

    View full details
  • AEM Wrinkle Black Cold Air Intake System 2015-2017 STI

    AEM Induction
    Original price $349.99 - Original price $349.99
    Original price
    $349.99
    $349.99 - $349.99
    Current price $349.99
      Lease to own   Pay as low as   $/week

    AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give...

    View full details
  • Rexpeed JDM Style Battery Tie Down 2008-2023 WRX / 2008-2021 STI / 2013-2023 BRZ

    Rexpeed
    Original price $110.00 - Original price $110.00
    Original price
    $110.00
    $110.00 - $110.00
    Current price $110.00
      Lease to own   Pay as low as   $/week

    The Rexpeed JDM Style Battery Tie Down is designed to provide an efficient, reliable, and aesthetic solution for securing the battery of your 2008-...

    View full details
  • AMS Performance Subaru Billet Engine Oil Cap

    AMS
    Original price $69.95
    Original price $69.95 - Original price $69.95
    Original price $69.95
    Current price $67.85
    $67.85 - $67.85
    Current price $67.85
      Lease to own   Pay as low as   $/week

    AMS Performance's Subaru Billet Engine Oil Cap is crafted from high-grade aluminum alloy for superior strength and durability. Its sleek, glossy fi...

    View full details
  • HKS Billet Oil Cap Most Subaru Models

    HKS
    Original price $85.00 - Original price $85.00
    Original price
    $85.00
    $85.00 - $85.00
    Current price $85.00
      Lease to own   Pay as low as   $/week

    The HKS Billet Oil Cap Most Subaru Models offers a direct replacement to the factory oil cap, with superior durability. Its billet aluminum constru...

    View full details
  • Perrin Neon Yellow Cold Air Intake 2016-2017 STI

    Perrin Performance
    Original price $410.00 - Original price $410.00
    Original price
    $410.00
    $410.00 - $410.00
    Current price $410.00
      Lease to own   Pay as low as   $/week

    Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial...

    View full details
  • Perrin Black Cold Air Intake 2016-2017 STI

    Perrin Performance
    Original price $390.00 - Original price $390.00
    Original price
    $390.00
    $390.00 - $390.00
    Current price $390.00
      Lease to own   Pay as low as   $/week

    Increase horsepower and style under your hood. The PERRIN Cold Air Intake (CAI) system uses proper MAF alignment and tubing size, which are crucial...

    View full details